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from django.test import TestCase
from grades.models import GradingSystem
class GradingSystemTestCase(TestCase):
def setUp(self):
GradingSystem.objects.create(name='unusable')
def test_get_grade(self):
# Given
grading_system = GradingSystem.objects.get(name='default')
expected_grades = {0: 'F', 31: 'F', 49: 'P', 55: 'C', 60: 'B', 80: 'A',
95: 'A+', 100: 'A+', 100.5: 'A+', 101: None,
109: None}
for marks in expected_grades.keys():
# When
grade = grading_system.get_grade(marks)
# Then
self.assertEqual(expected_grades.get(marks), grade)
def test_grade_system_unusable(self):
# Given
# System with out ranges
grading_system = GradingSystem.objects.get(name='unusable')
# When
grade = grading_system.get_grade(29)
# Then
self.assertIsNone(grade)
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